... HS7-4-2-5 / 1.3246 steel bar 1.Good quality and price for 10 year's experience 2.ISO9001, ISO14001 ... Steel: Y4(4Cr3Mo2MnVNbB), HD(4Cr3Mo2VNiNbB), HG(4Cr3Mo3W4VNb)Korea Doosan and POSCO steel grades: KP1, KP4, KP4M, HMD ... middle and advanced steels for mould industry.2. Specification:Major size of forging as below( mm)a ... power cost is less than 0.05USD/unit;2)Gas Cost:We are in northwest oil&gas ...